Virus which deletes system files

While missing system files aren't a common problem that users experience when a Facebook virus is installed on their computer, it could still be an issue, depending on what type of virus it is. Most Facebook viruses aren't designed to delete your system files. Instead, they're designed to steal information from you, including bank account information, your Facebook password or email account passwords.

If you're directed to a suspicious external site, close your browser and scan for a virus. If you inadvertently click on a link that you don't trust, do the same. You should also immediately change your password on Facebook. If a virus associated with Facebook infects your computer and grants an outside user access, he can change files on your computer. If he deletes system files, you may not be able to recover them without rolling back your operating system with Windows Restore or reinstalling your operating system from the original media.

Some types of destructive viruses may also automatically remove system files to help prevent the detection of the virus. When I went to a website, I suddenly received virus warnings and I did a hard reboot to stop all the activity.

When my computer came back on, a virus had control of IE and it kept popping up little warning balloons. I turned off the modem to stop the virus from assessing more online resources. Using Task Manager, I decided that a process called av. Then I went into Explorer, located av. I started up AVG and used it to scan my computer but it found nothing outside of any cookies.

It doesn't have file associations anymore. When I tried to RegEdit, it didn't know how to do that. The reason is easy-to-understand: antivirus programs may delete some useful files from your computer when removing virus for you. And this may cause secondary damage, deleing more files from computer and making some data gone for good. As a result, I suggest you to complete data recovery before they adopt antivirus programs to clean disk, unless the files deleted by virus are of no use.

Here are ransomeware prevention tips for you. With the development of internet, the risk of being attacked by virus boosts. When you click on links sent from untrusted sites or in an anonymous email, you are actually giving way to the hidden computer virus. After the virus entered computer, they may not be activated right away.

In theory, viruses are attached to storage media like floppy disk and hard disk so as to constitute infection source and the transmission medium is decided by work environment. Virus is put into memory after invasion and the virus creator has already set up the trigger condition, which is diverse.

It could be the clock, system date, user identifier or a system communication. When the condition becomes ripe, virus will start replicating itself to infected object and performing various sabotage activities, including:.

Computer virus is for computer what biological virus is for human body. It can put all of us in a tight spot, letting us worry about the ruin of hard work, the loss of unforgettable memory, financial losses, etc. You should finish deleted or corrupt files recovery firstly and then do other things you like, such as cleaning the virus.

Download Power Data Recovery. Summary : Are you bothered by virus attack? Read More. Tip: To use this method for deleted file recovery, users must Open System Restore and Set up backup in advance before the files are missing. The viruses are very annoying, they can delete your important files photos, audios, videos, documents, etc.

I ran a Sysinternals Process Monitor trace that proves that this driver installer does all the deleting. I don't know for sure why it only deletes files from a specific folder, but it is my most important folder that I always have open in the file explorer.

Perhaps there is some interaction between the driver and the file explorer. More details can be found in this Dell thread.

I have posted quite a complete breakdown of my finding there, but it is waiting for a Dell moderator, so I have included a copy below. A monumental waste of my time. Why the installer is running every day is beyond me. I had a look at the update of the various Dell update utilities running on my system why so many. Dell Command Update's history and activity log don't show they have executed anything.

The installer is signed by Dell Inc, I have checked it with virus scanners and it comes through clean. However, the process ID shown for the parent process that started the driver installer is not for a process that is currently running, so I cannot say for sure what started this installer. Does anyone have any idea about where the log file for this driver installer can be found. Client Process Id: I am happy to delete this problematic file, but my fear is that it will come back an delete files again.

As it is impossible to trace what it has deleted over time more and more files will just disappear from my system. It is pretty clear who is at fault here, now Dell will need to take ownership and sort this out.

I am paying for premium support and will contact my Dell support rep. Sign up to join this community. The best answers are voted up and rise to the top.